<?php if (!empty($current_user)): ?>
    <li>欢迎 <span title="<?php echo $current_user['account'];?>"><?php echo $current_user['user_name'];?></span> <a href="#" title="修改密码" onclick="modifypwd();return false;" title="<?php echo $current_user['roles'].$current_user['group_name'];?>"><img src="images/icons/key.png" style="margin-bottom:-3px;"></a></li>
<?php endif; ?>